[Rhodes22-list] Bottom Paint - Trailer Bunks

[Jeff Kantor]

The bow is OK without wedges because the rear  hull is supported on both
sides at that point.

On Fri, Oct 6, 2023 at 6:25 PM Chris on LBI <cknell at vt.edu> wrote:

> I love it. I wish I had thought of that.
>
> As you suggested, I found this related link in the archives:
>
> http://rhodes22.org/reference-topic.html?M|reference/Maintenance%20-%20Lifting%20Boat%20off%20of%20Trailer.html
> <http://rhodes22.org/reference-topic.html?M%7Creference/Maintenance%20-%20Lifting%20Boat%20off%20of%20Trailer.html>
>
> I just measured the change in elevation of the rear end of my trailer.
> Starting at horizontal, I can get about 5" of additional elevation at
> the aft end of the bunks if I lower the tongue to the ground; so a
> little more than that for the aft end of the boat. I use a 1" roller to
> apply the paint, so this will be plenty of room.
>
> I'm not very familiar with blocking, but I'm thinking I would make
> cinder block "towers" to port and starboard and then use a 6x6 x 8' beam
> between the towers on which the hull would rest. Then I'd cut wedges to
> jamb in on each side to prevent rolling. This would be located close to
> the aft end of the bunks. I would do something similar for the blocking
> near the bow, but with the "towers" closer together so that they fit
> under and through the trailer frame. These would be about 30" aft of the
> bow. But wedges don't make sense under the bow due to the shape of the
> hull, so the forward hull would rest on the 6x6 with no wedges; maybe
> just put 6x6 blocks in on each side and fasten them into place on the
> 6x6 beam. Does that sound about right?
>
> Chris
>
> On 10/6/2023 12:44 PM, Todd Tavares wrote:
> > Chris,
> >
> > There is a whole procedure described in the archives. You start by
> lowering
> > the tongue of the trailer stern as high as possible. Then you block the
> > stern up. Once you have the Stern blocked, then you jack the tongue up as
> > high, as possible. You can use a floor jack and blocks if necessary.
> Block
> > the bow.
> > Once the bow is blocked bring the trailer back level. That should give
> you
> > a few inches between the hull and bunks. I know Slim (Steve Alm) posted
> > pics in the Archives about a decade ago.
> >
> > Todd T
> >
> > On Fri, Oct 6, 2023, 12:08 PM Jeff Kantor <canusmajor54 at gmail.com>
> wrote:
> >
> >> Jack the boat off the trailer bunk…. Hopefully enough to scrape sand and
> >> paint
> >>
> >> On Fri, Oct 6, 2023 at 10:59 AM Chris on LBI <cknell at vt.edu> wrote:
> >>
> >>> Hey all,
> >>>
> >>> Does anyone have any suggestions for how to apply bottom paint where
> the
> >>> trailer bunks interfere with access? I've been applying ablative bottom
> >>> paint every second year or so and it's been working well, but I do have
> >>> to scrape a lot of marine growth off the two unpainted stripes every 2
> >>> or 3 weeks during the season.
> >>>
> >>> Thanks,
> >>> Chris
> >>>
> >>>
>
>